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Cannot compile DSC Configuration from NodePS #1

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giordyb opened this issue Feb 15, 2016 · 6 comments
Open

Cannot compile DSC Configuration from NodePS #1

giordyb opened this issue Feb 15, 2016 · 6 comments

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@giordyb
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giordyb commented Feb 15, 2016

I was thinking of using NodePS as a web front end for a DSC Configuration writer/distributor.
Unfortunately when I try to compile a simple DSC Configuration it stops right before creating the .mof until I hit ctrl-c, then it completes but stops the NodePS server instance. But if I start the instance and connect to the powershell session via VS2015 debugger then it works just fine.
This is the .ps1 that I am using

if ($NodePSPost.ServerName -ne $null)
{
     Write-Host "setup dsc config for $($NodePSPost.ServerName)"
     Configuration MyConfig {
        param (
            [Parameter(Mandatory=$true)]
            [ValidateNotNullOrEmpty()]
            [string]
            $NodeName
        )
        Node $NodeName
        {
            File Data
            {
                Ensure = "Present"
                Type = "Directory"
                DestinationPath = "C:\Data"
            }
        }
    }
    Write-Host "end dsc config for $($NodePSPost.ServerName)"
    #Import-DscResource –ModuleName PSDesiredStateConfiguration
    $(MyConfig -NodeName $NodePSPost.ServerName)
    Write-Host $NodePSPost.ServerName
}


@"
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>DscDemo</title>
</head> 
<H1>Send DSC Config to server</H1>
    <form action="dsctest.ps1" method="post">
    Server Name:<br>
    <input type="text" name="ServerName" value=""><br>
    <br>
    <input type="submit" value="Submit">
</form>
<table>
</table>
</body>
</html>
"@
@TLaborde
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Owner

My first guesses would be a network issue to connect to the target, or a credential issue. I will try it tomorrow. and give you an update.

@giordyb
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giordyb commented Feb 15, 2016

Well, the target is the server itself and it already runs as admin.I'm not even calling start-dscconfiguration yet, it just stops when trying to compile the .mof...but if I hit CTRL-C it goes ahead, writes the file and stops the NodePS instance.

@TLaborde
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Ok, just tried it. Your script works for me. It does generate a mof file, so I cannot really help you, are you using a domain account to run NodePS ? does it have enough rights on both systems?
edit: even targetting the local server it works.

@giordyb
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giordyb commented Feb 15, 2016

Ok it seems to only work if I login as Administrator.
I just tried it on a Win10 VM, a Win2012R2 VM with WMF5 and a Win2012VM standard they all show the same behavior: If I login as a user *other than Administrator *(but that is in the admins group), start a powershell session with "run as administrator", then import-module nodeps and run
start-nodepsserver then it hangs when it tries to create the mof.
If I login as Administrator and do the same exact steps then it works.

@TLaborde
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I made it run as a domain user member of local admin group. Have you tried this configuration?

@giordyb
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giordyb commented Feb 16, 2016

I tried running it as local admin on a Windows 10 Workstation joined to a 2013 domain, here is a gif of what happens.
it basically hangs until I press ctrl-c to stop the server, as you can see as soon as I do that it goes ahead and compiles the mof, creating the myconfig folder.

nodeps

it's really weird, as every other .ps1 script that I throw at it work, even remote invoke-commands!
it's not a big deal though, as long as it works for you...maybe it's something with my environment.

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@giordyb @TLaborde